AirHint found the following cheapest return flights from Montreal (YUL) to San Jose (SJO) in January 2026 (see full year).

Return flights

19 Jan - 02 Feb	Avianca
18 Jan - 25 Jan	Avianca
26 Jan - 02 Feb	Avianca
28 Jan - 04 Feb	Avianca
19 Jan - 26 Jan	Avianca
21 Jan - 28 Jan	Avianca
23 Jan - 30 Jan	Avianca
31 Jan - 18 Feb	Avianca
25 Jan - 01 Feb	Avianca
30 Jan - 06 Feb	Avianca
17 Jan - 24 Jan	Avianca
05 Jan - 19 Jan	Avianca
09 Jan - 19 Jan	Avianca
14 Jan - 21 Jan	Avianca
12 Jan - 20 Jan	Air Transat	direct
19 Jan - 02 Feb	Air Transat	direct
13 Jan - 28 Jan	Air Canada	direct
27 Jan - 03 Feb	Air Transat
29 Jan - 05 Feb	Air Transat
31 Jan - 07 Feb	Avianca

Also check the deals for one-way flights from Montreal to San Jose in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Montreal to San Jose in January from $349

Return flights